a(0) = 1; a(n) = -Sum_{k=1..n} binomial(n,k) * k^2 * a(n-k).
A335577
a(0) = 1; a(n) = -Sum_{k=1..n} binomial(n,k) * k^2 * a(n-k).
Terms
- a(0) =1a(1) =-1a(2) =-2a(3) =9a(4) =32a(5) =-285a(6) =-1236a(7) =18725a(8) =86176a(9) =-2087001a(10) =-9204580a(11) =351964569a(12) =1336442304a(13) =-83422970917a(14) =-231889447076
External references
- oeis: A335577